New Research Highlights the Role of Both Partners’ Diet in Fertility
What did the study find?
The study followed over 800 women and 600 male partners. It looked at their intake of ultra-processed foods, such as packaged snacks, sugary drinks and ready meals, in the period leading up to conception.
Researchers found that:
• Higher intake of ultra-processed foods in men was associated with reduced fertility.
• Higher intake in women was linked to differences in early embryonic development, including smaller measurements in early pregnancy.
• The study did not find a consistent association between women’s intake of ultra-processed foods and fertility outcomes themselves.
These findings suggest that diet may play a role in reproductive health for both partners, not just women.
What does this mean?
It is important to note that this was an observational study. This means it can identify links or associations but cannot prove that ultra-processed foods directly cause fertility issues.
Fertility is influenced by a wide range of factors, including age, underlying health conditions, lifestyle and access to care. Diet is one part of a much bigger picture.
However, the study adds to a growing body of evidence suggesting that preconception health, for both partners, may be important when trying to conceive.
Why this matters
Fertility is often still seen as primarily a women’s health issue but research continues to show that male factors play a significant role. This study reinforces the importance of considering both partners when thinking about lifestyle and reproductive health.
For individuals and couples trying to conceive, small and sustainable changes to overall health and wellbeing may be beneficial. It is equally important to avoid blame or oversimplification.
Find out more
You can read the full study here:
Support and information
If you are concerned about your fertility or would like support about nutrition, you can explore factsheets on our website and also watch informative webinars on our YouTube channel.